Dictionary.com

expander

[ ik-span-der ]
/ ɪkˈspæn dər /
Save This Word!

noun
a person or thing that expands.
Also ex·pan·dor. Electronics. a transducer that produces an output with a range of voltages greater than that of the input signal.Compare compressor (def. 5).
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…

Origin of expander

First recorded in 1860–65; expand + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use expander in a sentence

British Dictionary definitions for expander

expander
/ (ɪkˈspændə) /

noun
a device for exercising and developing the muscles of the bodya chest expander
an electronic device for increasing the variations in signal amplitude in a transmission system according to a specified lawCompare compressor (def. 5), compander
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK